International business machines corporation (20240162921). SPUR AND IMAGE SUPPRESSION IN A RADIO FREQUENCY SIGNAL GENERATOR simplified abstract

SPUR AND IMAGE SUPPRESSION IN A RADIO FREQUENCY SIGNAL GENERATOR

Organization Name

international business machines corporation

Inventor(s)

Sudipto Chakraborty of Plano TX (US)

Pat Rosno of Rochester MN (US)

John Francis Bulzacchelli of Somers NY (US)

Daniel Ramirez of Rochester MN (US)

SPUR AND IMAGE SUPPRESSION IN A RADIO FREQUENCY SIGNAL GENERATOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240162921 titled 'SPUR AND IMAGE SUPPRESSION IN A RADIO FREQUENCY SIGNAL GENERATOR

Simplified Explanation

The device described in the patent application is a system that includes an RF signal generator and a calibration system. The RF signal generator is designed to convert a baseband signal into an RF signal using LO signals, while the calibration system is responsible for adjusting offsets and balancing amplitudes of differential signals, as well as adjusting duty cycles and phase differences of local oscillator signals.

• RF signal generator with first and second LO signals
• Calibration system with control circuitry and actuator circuitry
• Actuator circuitry adjusts offsets and balances amplitudes of differential signals
• Actuator circuitry also adjusts duty cycles and phase differences of local oscillator signals

Potential Applications

The technology described in this patent application could be applied in the following areas:

• Wireless communication systems
• Radar systems
• Satellite communication systems

Problems Solved

This technology helps in addressing the following issues:

• Improving signal quality in RF signal generation
• Enhancing the performance of communication systems
• Ensuring accurate calibration of RF signals

Benefits

The benefits of this technology include:

• Increased accuracy in RF signal generation
• Improved performance of communication systems
• Enhanced reliability in signal calibration

Potential Commercial Applications

The technology could find commercial applications in:

• Telecommunications industry
• Aerospace and defense sector
• Electronics manufacturing companies

Possible Prior Art

One possible prior art related to this technology could be the use of calibration systems in RF signal generators to adjust signal parameters for optimal performance.

How does this technology compare to existing calibration systems in terms of efficiency and accuracy?

This article does not provide a direct comparison with existing calibration systems in the market.

What impact could this technology have on the cost of manufacturing RF signal generators?

The article does not address the potential cost implications of implementing this technology in RF signal generators.

Original Abstract Submitted

a device comprises a radio frequency (rf) signal generator and a calibration system. the rf signal generator is configured to upconvert a baseband signal to an rf signal using first and second lo signals. the rf signal generator comprises first and second signal paths to process first and second differential signals. the calibration system comprises calibration control circuitry and actuator circuitry. in response to digital control signals generated by the calibration control circuitry, the actuator circuitry is configured to: inject currents into the first and second signal paths to adjust offsets of the first and second differential signals, and to balance amplitudes of the first and second differential signals; and adjust at least one of respective duty cycles of the first and second local oscillator signals, and a phase difference between the first and second local oscillator signals.